Twister Arm Trainer Equipment Adjustable Spring Workout Bar Fitness, Forearm Triceps Chest Enhanced Exercise Strengthener, Upper Body Strength Training Machine for Men 60-80lbs Blue is up for auction in Sports & Outdoors. The current bid is $2.50, 84% below the $16.00 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.